var aneObj = function ()
{
	this.x = [];
	this.len = [];
}

aneObj.prototype.num = 50;

aneObj.prototype.init = function ()
{
	for (var i = 0; i < this.num ; i++)
	{
		this.x[i] = i * 16 + Math.random() * 20;

		this.len[i] = 200 + Math.random() * 50;

	}
}

aneObj.prototype.draw = function ()
{
	ctx2.save();

	ctx2.globalAlpha = 0.6;

	for (var i = 0; i < this.num; i++)
	{
		// beginPath, moveTo, lineTo, stroke, strokeStyle, lineWidth, lineCap, globalAlpha
		ctx2.beginPath();

		ctx2.moveTo(this.x[i], canHeight);

		ctx2.lineTo(this.x[i], canHeight - this.len[i]);

		ctx2.lineWidth = 20;

		ctx2.lineCap = "round";

		ctx2.strokeStyle = "#3b154e";

		ctx2.stroke();
	}

	ctx2.restore();
}